Adeel Abbas written by Adeel Abbas The key difference between physical and chemical changes is the difference in the rearrangement of particles. In a physical change, there is no rearrangement of particles, but in a chemical change, particles are rearranged, resulting in the formation of new products. Physical and chemical change are both forms of change that are … Read more
Hydrogen is the lightest and most abundant element in the universe. It is found in stars, interstellar gas, and comets. In terms of its physical properties, hydrogen is a colorless, odorless, tasteless gas that is extremely flammable. It has the lowest melting point and boiling point of all elements. Discovery of Hydrogen element Hydrogen gas … Read more
Written by Adeel Abbas Sodium is a metal, located in the first column or group of metals. This sodium atom has 11 electrons and it must have one valence electron outside its outer shell to give energy for bonding with other atoms. The word sodium comes from the English word soda, and its symbol is … Read more
Written by Adeel Abbas Mercury (chemical symbol Hg, atomic number 80) is a heavy, silvery metal with a low melting point. It should not be confused with quicksilver. The other elemental form of mercury-known as the red form-is actually a mineral known as cinnabar that has been used by humans since antiquity for decorative purposes. … Read more
written by Adeel Abbas The key difference between evaporation and condensation is the transformation of a liquid into a gas (evaporation) versus the transformation of a gas into a liquid (condensation). When it comes to the difference between evaporation and condensation, it’s important to understand the different processes involved in each. Evaporation is the process … Read more
If you have inhaled acid fumes, you should get into the fresh air straight away. Open doors and windows wide. If you are with someone who has inhaled acid fumes, seek medical attention immediately. If they have collapsed, call the emergency contact number for an ambulance and start resuscitation. Tell the operator what the poison … Read more
Written by Adeel Abbas One day when I was working in my lab I made a mistake that almost took my life off. See how I managed to escape the accident and why it happened. I was working in an organic synthesis lab, where we synthesize complicated organic compounds from simple starting materials with the … Read more
Anyone who has ever taken a chemistry class knows that it can be a daunting subject. But don’t worry, with a little bit of planning and preparation you can master chemistry in college! In this post, we will outline a step-by-step guide to help you succeed in your chemistry course. Let’s get started! 11 Tips … Read more
LEARNING OBJECTIVES In this article, the author has explained What is radiation, sources of radiation and harmful effects of radiation. Radiation can have harmful effects on the body, depending on the type, amount, and length of exposure. High doses of radiation can cause acute radiation syndrome (ARS), increase the risk of cancer, birth defects, thyroid problems, radiation … Read more
Do you want to take jee main and Advanced exams in 2022? Well, you are in the right place as this blog post will cover how to prepare chemistry for IIT-jee. Chemistry is very important for a good score in IIT JEE. Chemistry is the most scoring subject in the JEE Main and JEE Advanced … Read more